SOLUTION: To find the image length, L, of a 4-foot-tall object in a spherical mirror with a focal length of 2 feet, L=4(2/o-2)^2 can be used, where o is the distance, in feet, of the object

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Question 65900: To find the image length, L, of a 4-foot-tall object in a spherical mirror with a focal length of 2 feet, L=4(2/o-2)^2 can be used, where o is the distance, in feet, of the object from the mirror. What is the image length of the object when is is 1.5 feet away from the mirror?
Answer Choices:
A) 256 feet
B) 128 feet
C) 64 feet
D) 32 feet
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
To find the image length, L, of a 4-foot-tall object in a spherical mirror with a focal length of 2 feet, L=4(2/o-2)^2 can be used, where o is the distance, in feet, of the object from the mirror. What is the image length of the object when is is 1.5 feet away from the mirror?
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Can you clarify the formula?
L=4(2/o-2)^2
What is the meaning of 2/o-2 ?
Cheers,
Stan H.